#bj{
    padding-top: 30px;
    width: 680px;
    height: 600px;
    border: bisque solid 1px;
    box-shadow: 0 15px 15px 0 #888888;
    margin-left: 420px;
}
body{
    background-image: url("../image/3.jpeg");
}
#test10{
    margin-left: 185px;
}
#btn{
    margin-top: 30px;
    margin-left: 235px;
}